CVE-2021-36765 - Vulnerability Details - OpenCVE

Description

In CODESYS EtherNetIP before 4.1.0.0, specific EtherNet/IP requests may cause a null pointer dereference in the downloaded vulnerable EtherNet/IP stack that is executed by the CODESYS Control runtime system.

Published: 2021-08-04

Score: 7.5 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:codesys:ethernetip:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-23353	In CODESYS EtherNetIP before 4.1.0.0, specific EtherNet/IP requests may cause a null pointer dereference in the downloaded vulnerable EtherNet/IP stack that is executed by the CODESYS Control runtime system.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00309.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16806&token=3b0c51de5a6e35bccbb413ddaaa56551ca5490f6&download=

History

No history.

Subscriptions

Codesys Ethernetip

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-08-04T13:22:18.000Z

Updated: 2024-08-04T01:01:59.791Z

Reserved: 2021-07-16T00:00:00.000Z

Link: CVE-2021-36765

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-08-04T14:15:08.540

Modified: 2024-11-21T06:14:02.903

Link: CVE-2021-36765

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-476

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